analysis.h

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
 
#ifndef TVM_IR_ANALYSIS_H_
#define TVM_IR_ANALYSIS_H_
 
#include <tvm/ffi/container/array.h>
#include <tvm/ir/expr.h>
#include <tvm/ir/module.h>
#include <tvm/node/functor.h>
 
namespace tvm {
namespace ir {
 
class CalleeCollector {
 public:
  /* \brief Functor to be registered for IR types
   *
   * Should be implemented for each `BaseFunc` subclass.
   * Implementation should call `CalleeCollector::Mark` for each
   * `GlobalVar` in the function.
   */
  using FType = NodeFunctor<void(const ObjectRef&, CalleeCollector*)>;
  TVM_DLL static FType& vtable() {
    static FType inst;
    return inst;
  }
 
  virtual ~CalleeCollector() {}
 
  /* \brief Collect the GlobalVar in a function */
  virtual void Mark(GlobalVar gvar) = 0;
};
 
ffi::Map<GlobalVar, ffi::Array<GlobalVar>> CollectCallMap(const IRModule& mod);
 
}  // namespace ir
}  // namespace tvm
 
#endif  // TVM_IR_ANALYSIS_H_